package com.mpri.aio.common.utils.qrcode;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.net.URL;

import javax.imageio.ImageIO;
/**
 * QRCode的头像设置
 * @author Cary
 * @date 2018年9月27日
 */
public class LogoConfig {
	/**
	 * 设置 logo 
	 * @param matrixImage 源二维码图片
	 * @return 返回带有logo的二维码图片
	 * @throws IOException
	 * @author Administrator sangwenhao
	 */
     public BufferedImage LogoMatrix(BufferedImage matrixImage,String photo) throws IOException{
    	 /**
          * 读取二维码图片，并构建绘图对象
          */
         Graphics2D g2 = matrixImage.createGraphics();
    	 
    	 int matrixWidth = matrixImage.getWidth();
    	 int matrixHeigh = matrixImage.getHeight();
    	 
         /**
          * 读取Logo图片
          */
    	 URL url = new URL(photo);
         BufferedImage logo = ImageIO.read(url);
 
         //开始绘制图片
         g2.drawImage(logo,matrixWidth/5*2,matrixHeigh/5*2, matrixWidth/5, matrixHeigh/5, null);//绘制     
         BasicStroke stroke = new BasicStroke(5,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND); 
         g2.setStroke(stroke);// 设置笔画对象
         //指定弧度的圆角矩形
         RoundRectangle2D.Float round = new RoundRectangle2D.Float(matrixWidth/5*2, matrixHeigh/5*2, matrixWidth/5, matrixHeigh/5,20,20);
         g2.setColor(Color.white);
         g2.draw(round);// 绘制圆弧矩形
         
         //设置logo 有一道灰色边框
         BasicStroke stroke2 = new BasicStroke(1,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND); 
         g2.setStroke(stroke2);// 设置笔画对象
         RoundRectangle2D.Float round2 = new RoundRectangle2D.Float(matrixWidth/5*2+2, matrixHeigh/5*2+2, matrixWidth/5-4, matrixHeigh/5-4,20,20);
         g2.setColor(new Color(128,128,128));
         g2.draw(round2);// 绘制圆弧矩形
         
         g2.dispose();
         matrixImage.flush() ;
         return matrixImage ;
     }

}
